2 This file is part of PulseAudio.
4 Copyright 2009 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <pulse/rtclock.h>
28 #include <pulsecore/log.h>
29 #include <pulsecore/mutex.h>
31 #include "ratelimit.h"
33 static pa_static_mutex mutex
= PA_STATIC_MUTEX_INIT
;
35 /* Modelled after Linux' lib/ratelimit.c by Dave Young
36 * <hidave.darkstar@gmail.com>, which is licensed GPLv2. */
38 pa_bool_t
pa_ratelimit_test(pa_ratelimit
*r
) {
42 now
= pa_rtclock_now();
44 m
= pa_static_mutex_get(&mutex
, FALSE
, FALSE
);
48 pa_assert(r
->interval
> 0);
49 pa_assert(r
->burst
> 0);
52 r
->begin
+ r
->interval
< now
) {
55 pa_log_warn("%u events suppressed", r
->n_missed
);
65 if (r
->n_printed
<= r
->burst
)